Method and apparatus for discriminating between genuine and susp

Details Method and apparatus for discriminating between genuine and susp Method and apparatus for discriminating between genuine and susp

1983-06-14

1986-04-22

Strecker, Gerard R.

Electricity: measuring and testing

Magnetic

Magnetic field detection devices

209534, 209567, 235449, 324226, 324234, 324262, 3408253, 34082534, 34087022, 34087031, G01R 3300, B07C 5344, G06F 704, G07D 700

Patent

active

045845298

ABSTRACT:
There is disclosed a paper money discriminating method comprising the steps of scanning and detecting magnetism contained in a print portion in a predetermined area of paper money, and checking number of pulses in a pulse signal converted from a magnetism detection signal. An apparatus for carrying out this method is also disclosed, which comprises a magnetic head, a pulse output means, and counters.

REFERENCES:
patent: 3223988 (1965-12-01), Danko
patent: 3509535 (1970-04-01), Berube
patent: 3755730 (1973-08-01), Vogelgesang
patent: 3966047 (1976-06-01), Steiner
patent: 3976199 (1976-08-01), Schachter
patent: 4114804 (1978-09-01), Jones et al.
patent: 4388524 (1983-06-01), Walton
Kartashyan et al, "Improving the F4354/1 Tesla-Ammeter for the Investigation of Constant Magnetic Fields", INSPEC, Jan.-Feb. 1976, pp. 296-297.

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